Cynthia writes,
<Can anyone tell me what irgasan is and what it is used for in
PIA(Pseudomonas Isolation Agar)??>
Irgasan is a broad-spectrum antimicrobial which is ineffective against
Pseudomonas.
References:
The Difco Manual, p.711
Furia and Schenkel (Soap and Chemical Specialties, January 1968).
Infectionately,
Yersinia.
"Hell no, let 'em grow!"